Would you allow Dunamancy to be chosen for the “Magic Initiate” feat that allows you to select that class to cast spells from the Dunamancy list. 2 cantrips and 1 1st level spell? That would be up to the DM! It’s generally not attached to a class, but it’s the DM’s call.
— Matthew Mercer (@matthewmercer) January 30, 2020